CN218896797U - Battery pack and vehicle - Google Patents

Battery pack and vehicle Download PDF

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Publication number
CN218896797U
CN218896797U CN202223234832.9U CN202223234832U CN218896797U CN 218896797 U CN218896797 U CN 218896797U CN 202223234832 U CN202223234832 U CN 202223234832U CN 218896797 U CN218896797 U CN 218896797U
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China
Prior art keywords
battery pack
pole
battery
cell
heat exchange
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Active
Application number
CN202223234832.9U
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Chinese (zh)
Inventor
李广俊
陈许超
唐丽娟
李国兵
张晓琦
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Priority to CN202223234832.9U priority Critical patent/CN218896797U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a battery pack and a vehicle, the battery pack includes: a housing assembly; a plurality of electric core, a plurality of electric core are located in the shell subassembly, and electric core includes: a cell body; the first pole and the second pole are arranged on two surfaces of the battery core main body, which are oppositely arranged; the support part is arranged on the surface of the battery cell main body, on which the first pole and/or the second pole are arranged. Therefore, the first pole of one of the two adjacent electric cores and the second pole of the other electric core are oppositely arranged in the arrangement direction, so that electric connection between the two electric cores is realized, the reliability of electric connection of the electric cores is improved, the installation space required by the battery pack is saved, the production cost of the battery pack is reduced, the energy density of the battery pack can be improved, and the light-weight design of the battery pack is realized. The support part is supported between the battery cells, can absorb the volume change caused by the expansion of the battery cells, and improves the service life of the battery pack.

Description

Battery pack and vehicle
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery pack and a vehicle.
Background
As battery technology advances, consumers are increasingly concerned about various performances of batteries, wherein safety design of battery packs and how to increase energy density of battery packs in a limited space are called hot spot problems of current research.
In the related art, a busbar is generally arranged at the top of a battery pack, positive and negative poles of different battery cells are electrically connected through the busbar, so that the size of the battery pack can be increased, and under the condition that the installation space of the battery pack is limited, the busbar occupies the arrangement space of the battery cells, so that the energy density of the battery pack is low, the production cost is high, and the service life of the battery pack cannot be guaranteed.
Disclosure of Invention
In view of the above, the present utility model is directed to a battery pack that saves installation space required for the battery pack and can improve energy density and service life of the battery pack.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a battery pack, comprising: a housing assembly; a plurality of electric core, a plurality of electric core is located in the shell subassembly, electric core includes: a cell body; the first pole and the second pole are arranged on two surfaces of the battery cell main body, which are arranged in opposite directions; the support part is arranged on the surface of the battery cell main body, on which the first pole and/or the second pole are arranged; the first pole of the battery core is suitable for being oppositely arranged and electrically connected with the second pole of the other battery core which is adjacently arranged.
According to some embodiments of the utility model, the battery cell further comprises a connection portion for electrically connecting two adjacent battery cells.
According to some embodiments of the utility model, the connection comprises: the first adhesive layer and the second adhesive layer are respectively connected with the two oppositely arranged first pole posts and the second pole posts; the conductive foam layer is arranged between the first adhesive layer and the second adhesive layer.
According to some embodiments of the utility model, the housing assembly comprises: the shell is provided with a cavity; the heat exchange plate is arranged in the cavity and is suitable for being arranged with the bottom plate of the shell at intervals in the vertical direction and is provided with an exhaust channel, a plurality of electric cores are arranged on the heat exchange plate, and the heat exchange plate is suitable for exchanging heat with a plurality of electric cores.
According to some embodiments of the utility model, an explosion-proof valve is arranged on the surface of one side of the battery cell main body opposite to the heat exchange plate, the heat exchange plate is provided with an exhaust hole, the exhaust hole penetrates through the heat exchange plate in the thickness direction and is communicated with the exhaust channel, and the exhaust hole is arranged opposite to the explosion-proof valve.
According to some embodiments of the utility model, the plurality of exhaust holes are sequentially arranged at intervals along the arrangement direction of the plurality of electric cores, and each exhaust hole is arranged opposite to the explosion-proof valve of at least one electric core.
According to some embodiments of the utility model, a beam structure is provided within the housing, the beam structure comprising: the first beam is arranged in the cavity and extends along the arrangement direction of the plurality of battery cells; the second beam is arranged in the cavity, is perpendicular to the first beam, and is internally provided with foaming glue.
According to some embodiments of the utility model, the support is configured as an insulating support sheet.
According to some embodiments of the utility model, the cell is configured as a cuboid.
Compared with the prior art, the battery pack provided by the utility model has the following advantages:
the first pole and the second pole of the electric core are respectively arranged on the two surfaces of the electric core, which are oppositely arranged in the X-direction, so that the first pole of one electric core and the second pole of the other electric core in the two adjacent electric cores are oppositely arranged in the arrangement direction, the electric connection between the two electric cores is realized, and the reliability of the electric connection of the electric cores is improved. The arrangement space required by the busbar is saved, so that the installation space required by the battery pack is saved, the energy density of the battery pack can be improved, the production cost of the battery pack is reduced, the lightweight design of the battery pack is realized, the support part is supported between the battery cells, the volume change caused by the expansion of the battery cells can be absorbed, the cycle life of the battery cells is ensured, and the service life of the battery pack is prolonged. And because the beam structure and the foaming glue are arranged in the battery pack, the safety performance of the battery pack can be improved.
Another object of the utility model is to propose a vehicle.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a vehicle comprises the battery pack.
The vehicle has the same advantages as the battery pack described above over the prior art, and will not be described in detail here.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a schematic diagram illustrating the cooperation between a battery cell and an end plate insulating sheet according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a battery cell according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a shell assembly according to an embodiment of the present utility model.
Reference numerals illustrate:
battery pack 100, case assembly 110, case 111, first beam 1112, second beam 1113, side beam 1114, side beam vent 11141, bottom plate 1115, heat exchange plate 112, vent passage 1121, vent 1122,
A cell 120, a cell body 121, a first pole 122, a support 124,
A connecting portion 125, an explosion-proof valve 126,
A battery pack explosion-proof valve 130, and an end plate insulating sheet 140.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The battery pack 100 according to the present utility model includes: a housing assembly 110 and a plurality of cells 120, wherein the plurality of cells 120 are disposed within the housing assembly 110, the cells 120 comprising: the battery cell comprises a battery cell main body 121, a first pole 122, a second pole and a supporting part 124, wherein the first pole 122 and the second pole are arranged on two opposite surfaces of the battery cell main body 121, the supporting part 124 is arranged on the surface of the battery cell main body 121, which is provided with the first pole 122 and the second pole, and the first pole 122 of the battery cell 120 is suitable for being oppositely arranged and electrically connected with the second pole of another battery cell 120 which is adjacently arranged.
Specifically, referring to fig. 1, the plurality of electric cores 120 are vertically disposed in the shell assembly 110, and the plurality of electric cores 120 are arranged in the shell assembly 110 along the X-direction, the first pole 122 and the second pole of the electric core 120 are respectively disposed on two surfaces of the electric cores 120 that are disposed opposite to each other in the arrangement direction, wherein the first pole 122 of one electric core 120 and the second pole of the other electric core 120 of the two adjacent electric cores 120 are disposed opposite to each other in the arrangement direction, so that the two electric cores 120 can be electrically connected, and the reliability of the electric connection of the electric cores 120 is improved.
The polarities of the first pole 122 and the second pole are different, and when the first pole 122 is configured as a positive pole, the second pole is configured as a negative pole, and when the first pole 122 is configured as a negative pole, the second pole is configured as a positive pole.
Further, as shown in fig. 4 and 5, the supporting portion 124 is disposed on the surface of the battery cell 120 where the pole is disposed, and the supporting portion 124 is disposed at the end of the battery cell body 121, the supporting portion 124 is used for supporting two battery cells 120 in the X-direction, and when the battery cells 120 expand, the supporting portion 124 can be compressed to absorb the change of the size of the battery cells 120 caused by the expansion of the battery cells 120, so as to ensure the cycle life of the battery cells 120 and improve the service life of the battery pack 100.
In the related art, a bus bar is generally arranged at the top of the battery pack, and the positive and negative electrodes of different battery cells are electrically connected through the bus bar, so that the size of the battery pack can be increased, and the production cost of the battery pack is high. Under the condition that the installation space of the battery pack is limited, the mode of electrically connecting the positive electrode and the negative electrode of different battery cells by adopting the bus bars can cause the bus bars to occupy the arrangement space of the battery cells, thereby causing low energy of the battery pack.
According to the utility model, the first pole 122 and the second pole of the battery cells 120 are respectively arranged on the two surfaces of the battery cells 120 which are oppositely arranged in the arrangement direction, so that the first pole 122 of one battery cell 120 and the second pole of the other battery cell 120 of the two adjacent battery cells 120 are oppositely arranged in the arrangement direction, thereby realizing the electric connection between the two battery cells 120 and improving the reliability of the electric connection of the battery cells 120. The arrangement saves the arrangement space required by the bus bars, thereby saving the installation space required by the battery pack 100, reducing the production cost of the battery pack 100, and being beneficial to realizing the lightweight design of the battery pack 100.
According to the battery pack 100 of the present utility model, the first pole 122 and the second pole of the battery cells 120 are respectively disposed on two surfaces of the battery cells 120 disposed opposite to each other in the arrangement direction, so that the first pole 122 of one battery cell 120 and the second pole of the other battery cell 120 of the two adjacent battery cells 120 are disposed opposite to each other in the arrangement direction, thereby realizing electrical connection between the two battery cells 120 and improving reliability of electrical connection of the battery cells 120. The arrangement saves the arrangement space required by the bus bars, thereby saving the installation space required by the battery pack 100, reducing the production cost of the battery pack 100, improving the energy density of the battery pack 100 and being beneficial to realizing the lightweight design of the battery pack 100. The supporting parts 124 are supported between the battery cells 120, and can absorb the volume change caused by the expansion of the battery cells 120, thereby ensuring the cycle life of the battery cells 120 and prolonging the service life of the battery pack 100.
In some embodiments of the present utility model, the battery cells 120 further include a connection portion 125, and the connection portion 125 is used to electrically connect two battery cells 120 that are adjacently disposed.
Specifically, referring to fig. 4 and 5, the connection portion 125 is connected between the first post 122 of one cell 120 and the second post of the other cell 120 of the two adjacent cells 120, the connection portion 125 has conductivity to electrically connect the two adjacent cells 120, and the connection portion 125 may further promote the reliability of the electrical connection between the two cells 120.
In some embodiments of the present utility model, the connection portion 125 includes: the first adhesive layer, the second adhesive layer and the conductive foam layer are respectively connected with the two oppositely arranged first poles 122 and the second poles, and the conductive foam layer is arranged between the first adhesive layer and the second adhesive layer.
Specifically, the first adhesive layer is disposed on a side surface of the first pole 122 facing away from the battery core 120 body, the second adhesive layer is disposed on a side surface of the second pole facing away from the battery core body 121, and the first adhesive layer and the second adhesive layer are disposed oppositely in the X direction, and a conductive foam layer is disposed between the first adhesive layer and the second adhesive layer, and the first adhesive layer, the second adhesive layer and the conductive foam layer have conductivity so as to electrically connect the first pole 122 and the second pole which are disposed oppositely, and can improve connection stability of the first pole 122 and the second pole.
Further, the conductive foam layer has elasticity, and when the battery cells 120 expand, the conductive foam layer can be compressed to absorb the change of the size of the battery cells 120 caused by the expansion of the battery cells 120, prevent the battery cells 120 from being damaged due to the mutual extrusion between the battery cells 120, ensure the cycle life of the battery cells 120, improve the service life of the battery pack 100, and be favorable for realizing the lightweight design of the battery pack 100.
The inside of the conductive foam layer may be configured as a silicon foam, and the silicon foam has good compression deformation resistance, so as to ensure that the conductive foam layer absorbs the battery size change capability caused by the expansion of the battery core 120, and the outside of the silicon foam layer may be wrapped with a conductive adhesive tape, so that the conductive foam layer has conductivity, and thus the first pole 122 and the second pole may be electrically connected. The specific material and structure of the conductive foam layer can be selected according to actual working conditions, and are not particularly limited herein.
In other embodiments of the present utility model, the first adhesive layer and the second adhesive layer may be disposed on two opposite side surfaces of the conductive foam layer opposite to the battery cell 120, and the technical effects achieved by the above structural arrangement are the same, and are not described in detail herein.
As shown in fig. 6, in some embodiments of the utility model, the housing assembly 110 includes: the heat exchange plate 112 is arranged in the cavity, the heat exchange plate 112 is suitable for being arranged with a bottom plate 1115 of the shell 111 at intervals in the vertical direction, an exhaust channel 1121 is formed, a plurality of electric cores 120 are arranged on the heat exchange plate 112, and the heat exchange plate 112 is suitable for exchanging heat with the electric cores 120.
Specifically, referring to fig. 1, 2, 3 and 6, the cavity is used for installing components such as the heat exchange plate 112, and the heat exchange plate 112 and the bottom plate 1115 of the housing 111 are arranged at intervals in a vertical direction, so that an exhaust channel 1121 can be defined between the heat exchange plate 112 and the bottom plate 1115 of the housing 111, a plurality of electric cores 120 are arranged on the heat exchange plate 112, and a side surface of the electric cores 120 opposite to the heat exchange plate 112 can be provided with heat conducting structural adhesive, so that the electric cores 120 can be fixedly connected with the heat exchange plate 112 through the heat conducting structural adhesive, heat can be transferred through the heat conducting structural adhesive, and the heat exchange efficiency between the electric cores 120 and the heat exchange plate 112 can be ensured while the connection stability of the electric cores 120 and the heat exchange plate 112 is ensured.
Referring further to fig. 3, when thermal runaway occurs in the battery pack 100, gas generated from the battery cell 120 due to the thermal runaway may be discharged through the gas discharge passage 1121, thereby securing the safety of the battery pack 100.
Referring to fig. 2 and 3, in some embodiments of the present utility model, an explosion-proof valve 126 is provided at a side surface of the cell body 121 opposite to the heat exchange plate 112, as shown in fig. 6, the heat exchange plate 112 is provided with an exhaust hole 1122, the exhaust hole 1122 penetrates the heat exchange plate 112 in a thickness direction and communicates with the exhaust passage 1121, and the exhaust hole 1122 is provided opposite to the explosion-proof valve 126.
Specifically, referring to fig. 2 and 3, the explosion-proof valves 126 on the plurality of cell bodies 121 are arranged at intervals along the X-direction, when the cell 120 is thermally out of control, the gas generated by the cell 120 can be discharged to the outside of the cell 120 through the explosion-proof valve 126 of the cell 120, the explosion-proof valve 126 is disposed opposite to the vent 1122, and the vent 1122 is connected to the vent channel 1121, so that the gas generated by the cell 120 can directly circulate into the vent channel 1121 through the explosion-proof valve 126 and the vent 1122, thereby preventing the gas from stagnating in the cell 120 and reducing the damage of the thermal out of control to the cell 120.
As shown in fig. 6, in some embodiments of the present utility model, the plurality of exhaust holes 1122 are sequentially arranged at intervals along the arrangement direction of the plurality of battery cells 120, and each exhaust hole 1122 is arranged opposite to the explosion-proof valve 126 of at least one battery cell 120.
Specifically, when the size of the vent 1122 is adapted to the size of the explosion-proof valve 126 of the battery cell 120, the number of the vent 1122 may be set to be the same as the number of the explosion-proof valves 126 of the battery cell 120, and the vent 1122 is provided in one-to-one correspondence with the explosion-proof valve 126 of the battery cell 120 to facilitate the gas discharge of the battery cell 120 when the thermal runaway of the battery pack 100 occurs.
Alternatively, when the size of the exhaust hole 1122 is larger, the explosion-proof valves 126 of the plurality of battery cells 120 may be disposed corresponding to one exhaust hole 1122, so as to facilitate the processing of the heat exchange plate 112.
Referring to fig. 1 and 6, in some embodiments of the present utility model, a beam structure is provided within a housing 111, the beam structure including: first roof beam 1112 and second roof beam 1113, first roof beam 1112 sets up in the cavity to first roof beam 1112 extends along the direction of arranging of a plurality of electric cores 120, and second roof beam 1113 sets up in the cavity, and second roof beam 1113 sets up with first roof beam 1112 perpendicularly, is provided with the foaming glue in the second roof beam 1113.
Specifically, referring to fig. 1 and 6, the first beam 1112 is disposed at an intermediate position of the cavity, and the first beam 1112 extends along an arrangement direction of the plurality of cells 120, that is, the first beam 1112 extends along an X-direction, the cells 120 are disposed at both sides of the first beam 1112, the second beam 1113 is disposed perpendicular to the first beam 1112 in a plane in which the first beam 1112 is disposed, and the second beam 1113 is disposed in plurality, and the plurality of second beams 1113 are arranged at intervals in the X-direction to divide the cavity into a plurality of accommodating chambers, each of which can accommodate the plurality of cells 120. The beam structure is supported within the cavity to enhance the structural strength and rigidity of the shell assembly 110 and thus the battery pack 100.
Further, the second beam 1113 is configured to be a hollow structure, and an opening is provided on the second beam 1113, and the foaming glue is filled in the second beam 1113 near the opening, so that when the battery pack 100 is thermally out of control, the foaming glue can expand rapidly to cover the output electrode of the battery cell 120, so that the battery cell 120 is prevented from being shorted after triggering the thermal out of control, the safety performance of the battery pack 100 is improved, and meanwhile, the lightweight design of the battery pack 100 is facilitated.
In some embodiments of the present utility model, the support 124 is configured as an insulating support sheet.
Specifically, the insulating support sheet is disposed on the surface of the cell body 121 where the first pole 122 or the second pole is disposed, and referring to fig. 4 and 5, the height of the insulating support sheet protruding from the cell body 121 is greater than or equal to the height of the first pole 122 or the second pole protruding from the cell body 121, the insulating support sheet is suitable for supporting two cells 120 in the X-direction, and the support portion 124 can be compressed when the cells 120 expand, so as to absorb the change in the size of the cells 120 caused by the expansion of the cells 120, ensure the cycle life of the cells 120, and improve the service life of the battery pack 100.
Alternatively, the insulating support sheet may be constructed as a PC sheet that has high temperature resistance and insulation, is not damaged by high temperature when thermal runaway of the battery pack 100 occurs, and may also protect the battery cells 120 through its insulation. The insulating supporting sheet can be made of other materials with high temperature resistance, and specific materials can be selected according to actual working conditions, so that the insulating supporting sheet is not particularly limited.
In some embodiments of the present utility model, the cells 120 are configured as rectangular solids.
Specifically, referring to fig. 1, 4 and 6, the side of the cells 120 is disposed on the heat exchange plate 112, two relatively large-area surfaces of the rectangular-solid cells 120 extend in the length direction (i.e., Y-direction) and are disposed perpendicular to the heat exchange plate 112, the first and second poles 122 and 122 of each cell 120 are disposed on the two relatively large-area surfaces, respectively, and the plurality of cells 120 are arranged in the thickness direction (i.e., X-direction) so that the first pole 122 of one cell 120 of the two adjacent cells 120 can be electrically connected with the second pole of the other cell 120.
Referring to fig. 1 and 6, in some embodiments of the present utility model, the case 111 includes a side rail 1114, the side rail 1114 is fixedly coupled to a bottom plate 1115 of the case 111, and the side rail 1114 and the bottom plate 1115 of the case 111 define a cavity that may be used to mount the heat exchange plate 112 or the like, and ends of the first and second rails 1112 and 1113 may be coupled to the side rail 1114.
Further, the battery cells 120 are spaced apart from the side rails 1114, and a gap between the battery cells 120 and the side rails 1114 is filled with a foaming glue, which expands and fills between the heat exchange plates 112 and the bottom plate 1115 of the case 111 when thermal runaway of the battery pack 100 occurs, so that the exhaust passage 1121 is configured as a sealed exhaust passage 1121, thereby defining a flow direction of gas.
Referring to fig. 1 and 3, a side beam vent 11141 is provided on a side beam 1114 disposed opposite to a surface of the battery cell 120 having a relatively large area, and a battery pack explosion-proof valve 130 is further provided on the side beam 1114, the side beam vent 11141 is respectively connected with a vent passage 1121 and the battery pack explosion-proof valve 130, when thermal runaway occurs in the battery pack 100, gas discharged from the battery cell 120 can be discharged to the outside of the battery cell 120 through the explosion-proof valve 126 of the battery cell 120, the explosion-proof valve 126 is disposed opposite to the vent 1122, and the vent 1122 is connected with the vent passage 1121, so that gas generated from the battery cell 120 can directly flow into the vent passage 1121 through the explosion-proof valve 126 and the vent 1122, and the gas can be discharged to the outside of the battery pack 100 through the side beam vent 11141 and the side beam 1114 explosion-proof valve 126, thereby preventing the gas from being retained in the battery pack 100 and reducing damage to the battery pack 100 due to thermal runaway.
As shown in fig. 4, in a further embodiment of the present utility model, an end plate insulating sheet 140 may be further provided on one side surface of the battery cell 120 disposed opposite to the battery pack explosion-proof valve 130, and the end plate insulating sheet 140 may prevent a short circuit from occurring between the battery cell 120 and the side rail 1114, so as to further improve the safety performance of the battery pack 100.
The vehicle according to the present utility model includes the above-described battery pack 100. Because the vehicle is provided with the battery pack 100, the first pole 122 and the second pole of the battery cells 120 are respectively arranged on the two surfaces of the battery cells 120 which are oppositely arranged in the X-direction, so that the first pole 122 of one battery cell 120 and the second pole of the other battery cell 120 which are adjacently arranged are oppositely arranged in the X-direction, thereby realizing the electric connection between the two battery cells 120 and improving the reliability of the electric connection of the battery cells 120. The arrangement space required by the bus bar is saved, so that the installation space required by the battery pack 100 is saved, the energy density of the battery pack 100 can be improved, the production cost of the battery pack 100 is reduced, the light-weight design of the battery pack 100 is realized, the production cost of a vehicle is reduced, and the light-weight design of the vehicle is realized. And the supporting parts 124 are supported between the battery cells 120, so that the volume change caused by the expansion of the battery cells 120 can be absorbed, the cycle life of the battery cells 120 is ensured, and the service life of the battery pack 100 is prolonged.
Further, since the beam structure and the foaming glue are disposed in the battery pack 100, the safety performance of the battery pack 100 can be improved, and thus the safety performance of the vehicle can be improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A battery pack, comprising:
a housing assembly (110);
a plurality of electric core (120), a plurality of electric core (120) are located in shell subassembly (110), electric core (120) include:
a cell body (121);
the first pole (122) and the second pole are arranged on two opposite surfaces of the battery cell main body (121);
a support portion (124), wherein the support portion (124) is provided on the surface of the cell main body (121) where the first pole (122) and/or the second pole are provided;
wherein the first pole (122) of the cell (120) is adapted to be disposed opposite and electrically connected to the second pole of another cell (120) disposed adjacent thereto.
2. The battery pack according to claim 1, wherein the cells (120) further comprise a connection portion (125), the connection portion (125) being configured to electrically connect two of the cells (120) that are adjacently disposed.
3. The battery pack according to claim 2, wherein the connection portion (125) includes:
the first adhesive layer and the second adhesive layer are respectively connected with the two oppositely arranged first pole posts (122) and the second pole posts;
the conductive foam layer is arranged between the first adhesive layer and the second adhesive layer.
4. The battery pack according to claim 1, wherein the case assembly (110) includes:
a housing (111), the housing (111) being provided with a cavity;
the heat exchange plate (112), the heat exchange plate (112) is arranged in the cavity and is suitable for being arranged with a bottom plate (1115) of the shell (111) at intervals in the vertical direction and is provided with an exhaust channel (1121), a plurality of electric cores (120) are arranged on the heat exchange plate (112), and the heat exchange plate (112) is suitable for exchanging heat with the electric cores (120).
5. The battery pack according to claim 4, wherein an explosion-proof valve (126) is provided on a surface of the cell main body (121) opposite to the heat exchange plate (112), the heat exchange plate (112) is provided with an exhaust hole (1122), the exhaust hole (1122) penetrates the heat exchange plate (112) in a thickness direction and communicates with the exhaust passage (1121), and the exhaust hole (1122) is provided opposite to the explosion-proof valve (126).
6. The battery pack according to claim 5, wherein the plurality of vent holes (1122) are provided, the plurality of vent holes (1122) are provided at intervals in sequence along the arrangement direction of the plurality of cells (120), and each vent hole (1122) is provided opposite to the explosion-proof valve (126) of at least one cell (120).
7. The battery pack according to claim 4, wherein a beam structure is provided in the case (111), the beam structure comprising:
a first beam (1112), wherein the first beam (1112) is arranged in the cavity and extends along the arrangement direction of the plurality of electric cores (120);
the second beam (1113), second roof beam (1113) are located in the cavity, just second roof beam (1113) with first roof beam (1112) set up perpendicularly, just be equipped with the foaming glue in second roof beam (1113).
8. The battery pack according to claim 1, wherein the support portion (124) is configured as an insulating support sheet.
9. The battery pack according to any one of claims 1-8, wherein the cells (120) are configured as rectangular solids.
10. A vehicle comprising the battery pack of any one of claims 1-9.
CN202223234832.9U 2022-12-01 2022-12-01 Battery pack and vehicle Active CN218896797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223234832.9U CN218896797U (en) 2022-12-01 2022-12-01 Battery pack and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223234832.9U CN218896797U (en) 2022-12-01 2022-12-01 Battery pack and vehicle

Publications (1)

Publication Number Publication Date
CN218896797U true CN218896797U (en) 2023-04-21

Family

ID=85999111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223234832.9U Active CN218896797U (en) 2022-12-01 2022-12-01 Battery pack and vehicle

Country Status (1)

Country Link
CN (1) CN218896797U (en)

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